In order to achieve a city tax -Finance Bureau Integrated Services Building, into digital, intelligent 5A-class building, according to engineering design environment and constraints of the weak integration of comprehensive integration of the subsystems 11, set of domestic and foreign products of all manufacturers long, will be a variety of advanced technology and equipment for a reasonable configuration, organic use, so that the whole building weak electricity system in general, to maximize the advantage to get the best results. Program subsystem, automatic fire alarm and fire linkage system is one of them. Weak system in intelligent building design, fire protection system is a critical component of it to detect and report fire, control fire development, fire fighting as soon as possible to the fire nipped in the bud.